Chicago Cup Games
4 • IM jposthuma •- Joshua Posthuma (2308) - Nick Schwerin (1907)
- Lawrence Cohen (2018) - Joshua Posthuma (2308)
- Zhaozhi Li (2461) - Joshua Posthuma (2308)
- Joshua Posthuma (2308) - Rene Ancheta (2038)
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My Indianapolis Open Games
1 • IM jposthuma •- Glenn Snow (2027) - Joshua Posthuma (2314)
- Iris Zhou (1904) - Joshua Posthuma (2314)
- Joshua Posthuma (2314) - Brian Yang (1993)
- Joshua Posthuma (2314) - Priyadharshan Kannappan (2593)
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2017 Michigan Open
5 • IM jposthuma •- Joshua Posthuma (2315) - Gregory Bailey (1903)
- Joshua Posthuma (2315) - Eric Li (1944)
- Andrew Schremser (2010) - Joshua Posthuma (2315)
- Jason Zheng (1923) - Joshua Posthuma (2315)
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All of my tournament games, 2012-present
2 • IM jposthuma •- 2012
- Norman Haygood (1491) - Joshua Posthuma (1751)
- Harrison He (1643) - Joshua Posthuma (1776)
- 2013
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